Delux Metal Processing Chemicals [P] Ltd manufactures Preheating Salts or Neutral Hardening Salts. Delux Metal Processing Chemicals [P] Ltd offers Heat Treatment Salts and a wide range of metal processing chemicals. The Preheating Salts or Neutral Hardening Salts is used to prevent heat loss due to radiation, to activate cyanide, for heating the high speed and hot working steels, for hardening of corrosion resisting steels
